S15 T28 SR20DET dyno tune! RS enthalpy

[@Sebbe40]

This thing sounds really nice and healthy

[@koukikev809]

Yea I got really lucky with this engine!

[@polish1stdivision]

Crazy how lean the AFRs were below 5500. Off the shelf tunes are scary

[@motorheadscottie456]

Bro what are you talking about. Its dyno tuned bud. Btw a GOOD tune stays clean on the fuel under hard boost. Lean= equals mean. Sr20’s make the best power under the heat. Same as the ej motors. Why you think so many kids are blowing them up? Its because they dont know the fine line. The eprom was setup to lean afr BUT pull total timing at the same time so knock wouldnt happen under boost. This lowered total cylinder pressure spikes, which protected the rods/ bearings and ringlands. No offense I’m not trying to school you on anything but I’m trying to open your mind towards what you read on the Internet may not be set in stone. I rarely go on the Internet and tell people my secrets of tuning. Since you know, I make a lot of money off of what I do. Lol

[@luckylabotv3469]

DMAX produces that music

[@stance076]

Im curious on how stiff the spring rate is, that thing barely squats at all on the dyno

[@koukikev809]

It’s actually just 8k front 6k rear. I think it doesn’t squat because the car is so low as it is, plus it’s being strapped down on top of that. So the articulation is limited

[@ProjectPanda13]

How many psi was the 268whp/267wtq made on?

[@koukikev809]

About 16-17psi

[@Grainsauce]

What was your duty cycle % at 17psi of boost?

[@StreetstyleS15]

am also curious to know

[@koukikev809]

@@StreetstyleS15 @Grainsauce I actually did not ask Martin what it was. I am pretty sure they are either maxed out or close to it. When I asked Martin what the limiting factor was he simply said the turbo is just old. He's seen some make 300 and others make 260. This seemed like a valid response to me because the turbo is not a brand new replacement unit, it is an old original turbo out of an S15 motorset.

[@StreetstyleS15]

@@koukikev809 all good, that makes sense - thanks for the response! it's still a decent output imo considering you're using stock injectors, cams and turbo

[@Mandingos_son]

Still on stock head gasket?

[@koukikev809]

Yep, completely stock internally. Other than a set of rocker stoppers that came in it when I got the swap.

[@longdong253]

Can some body please tell where that dudes shop is

[@koukikev809]

This was at Powerfab in Spring, TX

[@Jusbytalex]

What bov u using?

[@koukikev809]

No bov

[@scarletmckeegan4864]

😻 ᴘʀᴏᴍᴏsᴍ